1
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Teerasong S, Saenghirun T, Sunthornchainukul T, Thammaso S, Chompoosor A, Nanan S. Preparation of PVP-BiOBr Adsorbent for Efficient Indigo Carmine Dye Removal Using Flow-Circulation Systems. ACS OMEGA 2024; 9:29644-29650. [PMID: 39005777 PMCID: PMC11238199 DOI: 10.1021/acsomega.4c02973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 05/17/2024] [Accepted: 06/14/2024] [Indexed: 07/16/2024]
Abstract
This work presents an adsorptive removal of indigo carmine (IC) dye using a polyvinylpyrrolidone capped bismuth oxybromide (PVP-BiOBr) adsorbent. PVP-BiOBr was synthesized via a simple precipitation method. The morphology and surface chemical structure of the adsorbent were characterized using XRD, SEM, FTIR, and BET analyses. The adsorption isotherm and kinetics were investigated to reveal the mechanism of dye removal. Prepared PVP-BiOBr has a crystallite size of 19.7 nm, with a mean particle size of ∼2 μm and a surface area of 5.14 m2 g-1. The optimum pH for this adsorptive process spanned the range of 4 to 9. Experimental data indicated applicability of the Langmuir isotherm model, and the study confirms a pseudo-second-order kinetics model. The maximum adsorption capacity for IC dye was 208.3 mg g-1. A flow-circulation system was developed for the treatment of IC dye contaminated water samples. PVP-BiOBr was packed inside a column and did not spill into the water sample after treatment. The removal efficiency was ≥90% after 25 min. The PVP-BiOBr adsorbent could be reused for three cycles. This work demonstrates that PVP-BiOBr is a promising candidate as an adsorbent for IC dye removal. Additionally, the flow-based system establishes an automated operation in continuous mode, which is viable for large scale applications.
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Affiliation(s)
- Saowapak Teerasong
- Flow Innovation-Research for Science and Technology Laboratories (FIRST Laboratories), Bangkok 10520, Thailand
- Department of Chemistry and Applied Analytical Chemistry Research Unit, School of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand
| | - Thanakrit Saenghirun
- Department of Chemistry and Applied Analytical Chemistry Research Unit, School of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand
| | - Thanawat Sunthornchainukul
- Department of Chemistry and Applied Analytical Chemistry Research Unit, School of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand
| | - Supinya Thammaso
- Department of Chemistry and Applied Analytical Chemistry Research Unit, School of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand
| | - Apiwat Chompoosor
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Ramkhamhaeng University, Bangkok 10240, Thailand
| | - Suwat Nanan
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
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2
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Samarasinghe LV, Muthukumaran S, Baskaran K. Recent advances in visible light-activated photocatalysts for degradation of dyes: A comprehensive review. CHEMOSPHERE 2024; 349:140818. [PMID: 38056717 DOI: 10.1016/j.chemosphere.2023.140818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 11/23/2023] [Accepted: 11/24/2023] [Indexed: 12/08/2023]
Abstract
The rapid development in industrialization and urbanization coupled with an ever-increasing world population has caused a tremendous increase in contamination of water resources globally. Synthetic dyes have emerged as a major contributor to environmental pollution due to their release in large quantities into the environment, especially owing to their high demand in textile, cosmetics, clothing, food, paper, rubber, printing, and plastic industries. Photocatalytic treatment technology has gained immense research attention for dye contaminated wastewater treatment due to its environment-friendliness, ability to completely degrade dye molecules using light irradiation, high efficiency, and no generation of secondary waste. Photocatalytic technology is evolving rapidly, and the foremost goal is to synthesize highly efficient photocatalysts with solar energy harvesting abilities. The current review provides a comprehensive overview of the most recent advances in highly efficient visible light-activated photocatalysts for dye degradation, including methods of synthesis, strategies for improving photocatalytic activity, regeneration and their performance in real industrial effluent. The influence of various operational parameters on photocatalytic activity are critically evaluated in this article. Finally, this review briefly discusses the current challenges and prospects of visible-light driven photocatalysts. This review serves as a convenient and comprehensive resource for comparing and studying the fundamentals and recent advancements in visible light photocatalysts and will facilitate further research in this direction.
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Affiliation(s)
| | - Shobha Muthukumaran
- Institute for Sustainability Industries and Liveable Cities, College of Sport, Health & Engineering, Victoria University, Melbourne, VIC, 8001, Australia
| | - Kanagaratnam Baskaran
- Faculty of Science, Engineering and Built Environment, Deakin University, Victoria, 3216, Australia
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3
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Zhang Y, Zhang Z, Zhang Y, Li Y, Yuan Y. Shape-dependent synthesis and photocatalytic degradation by Cu 2O nanocrystals: Kinetics and photocatalytic mechanism. J Colloid Interface Sci 2023; 651:117-127. [PMID: 37542887 DOI: 10.1016/j.jcis.2023.07.196] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 07/24/2023] [Accepted: 07/29/2023] [Indexed: 08/07/2023]
Abstract
In this study, Cu2O crystals with different morphologies were synthesized to investigate the effect of exposed crystalline facets on photocatalytic degradation efficiency. By adjusting the addition amount of PVP, different morphologies of Cu2O crystals were obtained, such as cubic, decahedral, octahedral, etc. XRD, SEM, and TEM characterizations were used to observe the properties of the synthesized Cu2O in terms of morphology, size, and lattice structure. The results showed that the octahedral cuprous oxide had the strongest photocatalytic degradation effect (78.3%). The study also explored the connection between different crystalline facets and MO microstructure, and the effect of crystalline facet selectivity on the pre-absorption and photocatalytic degradation of MO. Density Functional Theory (DFT) calculations were used to investigate the connection between the energy level structure of different crystalline facets of Cu2O and its photocatalytic activity. Finally, based on the experimental analysis and theoretical calculation, a new charge separation model on crystalline surface was proposed.
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Affiliation(s)
- Yuanyuan Zhang
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Zhenhuan Zhang
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Yue Zhang
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Yue Li
- Micro/Nanotechnology Research Centre, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Yuan Yuan
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China.
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4
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Yuan Z, Jiang Z. Applications of BiOX in the Photocatalytic Reactions. Molecules 2023; 28:4400. [PMID: 37298876 PMCID: PMC10254493 DOI: 10.3390/molecules28114400] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 05/25/2023] [Accepted: 05/26/2023] [Indexed: 06/12/2023] Open
Abstract
BiOX (X = Cl, Br, I) families are a kind of new type of photocatalysts, which have attracted the attention of more and more researchers. The suitable band gaps and their convenient tunability via the change of X elements enable BiOX to adapt to many photocatalytic reactions. In addition, because of their characteristics of the unique layered structure and indirect bandgap semiconductor, BiOX exhibits excellent separation efficiency of photogenerated electrons and holes. Therefore, BiOX could usually demonstrate fine activity in many photocatalytic reactions. In this review, we will present the various applications and modification strategies of BiOX in photocatalytic reactions. Finally, based on a good understanding of the above issues, we will propose the future directions and feasibilities of the reasonable design of modification strategies of BiOX to obtain better photocatalytic activity toward various photocatalytic applications.
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Affiliation(s)
| | - Zaiyong Jiang
- School of Chemistry & Chemical Engineering and Environmental Engineering, Weifang University, Weifang 261061, China
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5
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Dong X, Li S, Sun H, Jian L, Wei W, Chen J, Zhao Y, Chen J, Zhang X, Li Y. Optoelectronic Memristive Synapse Behavior for the Architecture of Cu 2ZnSnS 4@BiOBr Embedded in Poly(methyl methacrylate). J Phys Chem Lett 2023; 14:1512-1520. [PMID: 36745109 DOI: 10.1021/acs.jpclett.2c03939] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The great potential of artificial optoelectronic devices that are capable of mimicking biosynapse functions in brain-like neuromorphic computing applications has aroused extensive interest, and the architecture design is decisive yet challenging. Herein, a new architecture of p-type Cu2ZnSnS4@BiOBr nanosheets embedded in poly(methyl methacrylate) (PMMA) films (CZTS@BOB-PMMA) is presented acting as a switching layer, which not only shows the bipolar resistive switching features (SET/RESET voltages, ∼ -0.93/+1.35 V; retention, >104 s) and electrical- and near-infrared light-induced synapse plasticity but also demonstrates electrical-driven excitatory postsynaptic current, spiking-time-dependent plasticity, paired pulse facilitation, long-term plasticity, long- and short-term memory, and "learning-forgetting-learning" behaviors. The approach is a rewarding attempt to broaden the research of optoelectric controllable memristive devices for building neuromorphic architectures mimicking human brain functionalities.
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Affiliation(s)
- Xiaofei Dong
- Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou730070, China
| | - Siyuan Li
- Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou730070, China
| | - Hao Sun
- Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou730070, China
| | - Lijuan Jian
- Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou730070, China
| | - Wenbin Wei
- Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou730070, China
| | - Jianbiao Chen
- Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou730070, China
| | - Yun Zhao
- Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou730070, China
| | - Jiangtao Chen
- Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou730070, China
| | - Xuqiang Zhang
- Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou730070, China
| | - Yan Li
- Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou730070, China
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6
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Newly constructed Z-scheme Cu2ZnSnS4/BiOBr heterostructure for high-efficient photocatalytic applications. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
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7
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FACILE SYNTHESIS OF NI DOPED BIOBR NANOSHEETS AS EFFICIENT PHOTO-ASSISTED CHARGING SUPERCAPACITORS. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.141979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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8
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Wang Y, Sun X, Yi Z, Wu X, Liu G, Pu Z, Yang H. Construction of a Z-scheme Ag 2MoO 4/BiOBr heterojunction for photocatalytically removing organic pollutants. Dalton Trans 2022; 51:18652-18666. [PMID: 36448478 DOI: 10.1039/d2dt03345c] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
How to facilitate photogenerated-carrier separation is an important step in developing excellent semiconductor photocatalysts for environmental pollutant removal. Herein, Ag2MoO4 (AMO) nanoparticles were assembled onto the surface of BiOBr (BOB) nanosheets to construct a highly efficient Z-scheme AMO/BOB heterojunction photocatalyst. Several analytical techniques were used to elucidate the characteristics and photocatalytic mechanism of the AMO/BOB heterojunction. Photodegradation experiments for removing methylene blue under simulated-sunlight irradiation reveal that a 20%AMO/BOB heterojunction exhibits excellent photodegradation activity with η(30 min) = 93.8% and kapp = 0.08638 min-1, which were greater by 4.5 and 5.6 times in comparison with that of pure BOB and AMO, respectively. Based on the experimental and density functional theory (DFT) calculation results, it is proposed that the Z-scheme carrier transfer/separation mechanism dominates the enhanced photodegradation performance of the composite photocatalysts. Additionally, the potential application of AMO/BOB photocatalysts in degrading various organic pollutants (including organic dyes, antibiotics and other serious organic pollutants) was also investigated.
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Affiliation(s)
- Yanming Wang
- School of Science, Lanzhou University of Technology, Lanzhou 730050, China.
| | - Xiaofeng Sun
- State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China
| | - Zao Yi
- Joint Laboratory for Extreme Conditions Matter Properties, Southwest University of Science and Technology, Mianyang 621010, China
| | - Xianwen Wu
- School of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, China
| | - Guorong Liu
- School of Science, Lanzhou University of Technology, Lanzhou 730050, China.
| | - Zhongsheng Pu
- School of Science, Lanzhou University of Technology, Lanzhou 730050, China.
| | - Hua Yang
- School of Science, Lanzhou University of Technology, Lanzhou 730050, China. .,State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China
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9
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Liao H, Ran Y, Zhong J, Li J, Li M, Yang H. Panax notoginseng powder -assisted preparation of carbon-quantum-dots/BiOCl with enriched oxygen vacancies and boosted photocatalytic performance. ENVIRONMENTAL RESEARCH 2022; 215:114366. [PMID: 36155155 DOI: 10.1016/j.envres.2022.114366] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/03/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
Low activity of photocatalysts is a serious bottleneck to the practical application of photocatalytic technology. In this paper, a series of BiOCl composite photocatalysts containing carbon quantum dots (CQDs) were successfully prepared by adding Panax notoginseng powder (PNP) to the solvothermal synthesis system of BiOCl as a template agent and a raw material for 0D CQDs. CQDs/BiOCl exhibit 2D flake structures and 3D flower-like microspheres self-assembled from thin flakes, holding rich oxygen vacancies (OVs). After detailed characterization, it was found that the amount of OVs on BiOCl could be regulated according to the amount of PNP added. The CQDs/OVs-BiOCl photocatalysts exhibit higher photogenerated charge separation efficiency and photocatalytic activity than the bare BiOCl. When the mass ratio of PNP/BiOCl is 1.0%, the photocatalyst demonstrates the maximum degradation activity for rhodamine B (RhB) and perfluorooctanoic acid (PFOA). In view of the solid observations, a photocatalytic enhancement mechanism of CQDs/BiOCl was elucidated.
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Affiliation(s)
- Hongru Liao
- College of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong, 643000, PR China
| | - Yu Ran
- College of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong, 643000, PR China
| | - Junbo Zhong
- College of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong, 643000, PR China.
| | - Jianzhang Li
- College of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong, 643000, PR China
| | - Minjiao Li
- College of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong, 643000, PR China
| | - Hao Yang
- Sichuan Tianren Chemical Engineering Co. Ltd., Chengdu, 610031, PR China
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10
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Hydrothermal Synthesis of Cadmium Sulfide Photocatalyst for Detoxification of Azo Dyes and Ofloxacin Antibiotic in Wastewater. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27227944. [PMID: 36432045 PMCID: PMC9692879 DOI: 10.3390/molecules27227944] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/15/2022] [Accepted: 11/15/2022] [Indexed: 11/18/2022]
Abstract
The complete detoxification of harmful dyes and antibiotics from aqueous solution is essential for environmental remediation. The present work focuses on a facile hydrothermal synthesis of a cadmium sulfide (CdS) photocatalyst using thioacetamide as a sulfur source. The synthesized CdS showed a hexagonal phase with an energy gap of 2.27 eV, suggesting the promising visible-light-responsive semiconducting photocatalyst. The photoactivity of the prepared CdS was investigated by evaluating the degradation of the Reactive red 141 (RR141) dye, Congo red (CR) dye, and ofloxacin (OFL) antibiotic. After only 180 min of solar light illumination, a high performance of 98%, 97%, and 87% toward degradation of RR141, CR, and OFL was obtained. The photodegradation of the pollutants agrees well with the first-order kinetic model. The rate constant of 0.055 min-1, 0.040 min-1, and 0.026 min-1, respectively, was reported toward degradation of RR141, CR, and OFL. Photogenerated holes and hydroxyl radicals play a vital role in removing toxic organic contaminants. The chemical stability of the prepared CdS was also confirmed. The synthesized CdS photocatalyst still maintains high photocatalytic performance even after five consecutive cycles of use, indicating its excellent cycling ability. The present research shows a facile route to fabricate a CdS photocatalyst to completely detoxify harmful organic pollutants, including dyes and antibiotics, in the environment.
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11
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Perumal S, Lee W, Atchudan R. A review on bismuth-based materials for the removal of organic and inorganic pollutants. CHEMOSPHERE 2022; 306:135521. [PMID: 35780986 DOI: 10.1016/j.chemosphere.2022.135521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 06/11/2022] [Accepted: 06/25/2022] [Indexed: 06/15/2023]
Abstract
Modernized lifestyle and increased industrialization threaten living organisms because of the pollutants released from industries and household wastes. The presence of even small amounts of pollutants (organic pollutants (OPs) and inorganic pollutants-heavy metals (HMs)) shows significant effects. Thus wastewater treatment is urgently needed before being subjected to use. Many methods and materials have been developed and reported for the removal of pollutants from wastewater. This review focused on the removal of both OPs and HMs using bismuth-based (Bi-based) materials because of their low toxicity and excellent properties compared to other metals. Bi-based materials as a photocatalyst for photodegradation of OPs are discussed in detail with synthesis methods. Further, since few reviews are available on the Bi-based material for the removal and sensing of HMs, this topic was intentionally summarized. About 200 published articles and reviews have been reviewed here. Additionally, the key point that needs to be focused on the development of Bi-based photocatalysts for the removal of OPs and for upgrading the Bi-based materials as adsorbents for HMs are conferred in the outlook. This will help many researchers in their upcoming work.
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Affiliation(s)
- Suguna Perumal
- Department of Chemistry, Sejong University, Seoul, 143747, Republic of Korea.
| | - Wonmok Lee
- Department of Chemistry, Sejong University, Seoul, 143747, Republic of Korea
| | - Raji Atchudan
- School of Chemical Engineering, Yeungnam University, Gyeongsan, Gyeongsangbuk-do, 38541, Republic of Korea; Department of Chemistry, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, 602105, Tamil Nadu, India.
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12
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Novel 2D/2D BiOBr/Zn(OH)2 photocatalysts for efficient photoreduction CO2. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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13
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Jian L, Li S, Sun H, He Q, Chen J, Zhao Y, Li Y. Structure-induced highly selective adsorption and photocatalytic pollutant degradation performance of BiOBr. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Liang C, Ma J, Cao Y, Zhang T, Yang C, Wu Y, Li H, Xu H, Hua Y, Wang C. Adsorption of BiOBr microspheres to rhodamine B and its influence on photocatalytic reaction. CHEMOSPHERE 2022; 304:135320. [PMID: 35697103 DOI: 10.1016/j.chemosphere.2022.135320] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/23/2022] [Accepted: 06/09/2022] [Indexed: 06/15/2023]
Abstract
Adsorption and its influence are often neglected during photocatalytic degradation of organic pollutants. To call attention to these issues, a novel bismuth oxybromide (BiOBr) microsphere with hierarchical flower-like structure was fabricated through a facile hydrothermal process using polyvinyl pyrrolidone (PVP) as additive in this work, and then the adsorption of the BiOBr microspheres to RhB and its influence on the photocatalytic degradation of RhB were investigated in detail. Experimental results show that the BiOBr microspheres have a very strong adsorption capacity to RhB. The adsorption behavior follows the Langmuir model and the quasi second order kinetic equation. Tests of the photocatalytic degradation of RhB under visible irradiation verify that the adsorption of the BiOBr microspheres to RhB greatly boosts the degradation of RhB due to the "enriching effect", and a complete degradation of 20 mg L-1 RhB only requires 37 min.
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Affiliation(s)
- Congjie Liang
- School of Chemistry and Chemical Engineering of Hainan Normal University, Key Laboratory of Electrochemical Energy Storage and Energy Conversion of Hainan Province, Key Laboratory of Electrochemical Energy Storage and Light Energy Conversion Materials of Haikou City, Haikou, 571158, PR China
| | - Jian Ma
- School of Chemistry and Chemical Engineering of Hainan Normal University, Key Laboratory of Electrochemical Energy Storage and Energy Conversion of Hainan Province, Key Laboratory of Electrochemical Energy Storage and Light Energy Conversion Materials of Haikou City, Haikou, 571158, PR China
| | - Yixi Cao
- School of Chemistry and Chemical Engineering of Hainan Normal University, Key Laboratory of Electrochemical Energy Storage and Energy Conversion of Hainan Province, Key Laboratory of Electrochemical Energy Storage and Light Energy Conversion Materials of Haikou City, Haikou, 571158, PR China
| | - Taisong Zhang
- School of Chemistry and Chemical Engineering of Hainan Normal University, Key Laboratory of Electrochemical Energy Storage and Energy Conversion of Hainan Province, Key Laboratory of Electrochemical Energy Storage and Light Energy Conversion Materials of Haikou City, Haikou, 571158, PR China
| | - Chanyu Yang
- School of Chemistry and Chemical Engineering of Hainan Normal University, Key Laboratory of Electrochemical Energy Storage and Energy Conversion of Hainan Province, Key Laboratory of Electrochemical Energy Storage and Light Energy Conversion Materials of Haikou City, Haikou, 571158, PR China
| | - Yingfeng Wu
- School of Chemistry and Chemical Engineering of Hainan Normal University, Key Laboratory of Electrochemical Energy Storage and Energy Conversion of Hainan Province, Key Laboratory of Electrochemical Energy Storage and Light Energy Conversion Materials of Haikou City, Haikou, 571158, PR China
| | - Huaming Li
- Institute for Energy Research, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Hui Xu
- Institute for Energy Research, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Yingjie Hua
- School of Chemistry and Chemical Engineering of Hainan Normal University, Key Laboratory of Electrochemical Energy Storage and Energy Conversion of Hainan Province, Key Laboratory of Electrochemical Energy Storage and Light Energy Conversion Materials of Haikou City, Haikou, 571158, PR China.
| | - Chongtai Wang
- School of Chemistry and Chemical Engineering of Hainan Normal University, Key Laboratory of Electrochemical Energy Storage and Energy Conversion of Hainan Province, Key Laboratory of Electrochemical Energy Storage and Light Energy Conversion Materials of Haikou City, Haikou, 571158, PR China.
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15
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Keerthana SP, Kowsalya K, Kumar PS, Yuvakkumar R, Kungumadevi L, Ravi G, Velauthapillai D. Effect of grinding time on bismuth oxyhalides optical and morphological properties influence on photocatalytic removal of organic dye. CHEMOSPHERE 2022; 304:135272. [PMID: 35688190 DOI: 10.1016/j.chemosphere.2022.135272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 05/20/2022] [Accepted: 06/05/2022] [Indexed: 06/15/2023]
Abstract
Herein, we reported the synthesis of BiOX (X = Cl, Br) with different grinding time like 15 min and 30 min to analyze the evolution of physiochemical properties and the morphological evolution. The structural, optical, vibrational properties were examined by standard characterization studies. The formation of bismuth oxyhalides were confirmed by XRD and Raman studies. The crystallite size was decreased as in 30 min grinded sample whereas there is an influence of crystal structure. BiOCl (15 and 30 min) samples expelled the nanoflake like structure with the flakes arranged to form a nanoflower morphology. On comparing BiOCl (15 min), there is high orientation of nanoflakes on BiOCl (30 min) sample. As explored in BiOBr (15 and 30 min) samples, the development of nanoplates were found. The growth of nanoplates was enhanced in the better way in BiOBr (30 min) than BiOBr (15 min). The grinding time has explored a great influence on morphology. The photocatalyst test for prepared photocatalysts was performed to reduce the RhB dye. The photocatalysts showed 74%, 97%, 98% and 99.8% for BiOCl (15 min), BiOCl (30 min), BiOBr (15 min) and BiOBr (30 min). The rate constant value obtained was 0.008, 0.011, 0.021, 0.033 and 0.068 min-1. BiOBr (30 min) sample achieved higher rate constant value. The hierarchical nanostructures and narrow bandgap has made the samples to be a potential candidate to reduce the toxic pollutants with complete efficiency.
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Affiliation(s)
- S P Keerthana
- Department of Physics, Alagappa University, Karaikudi, 630 003, Tamil Nadu, India
| | - K Kowsalya
- Department of Physics, Mother Teresa Women's University, Kodaikanal, India
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India.
| | - R Yuvakkumar
- Department of Physics, Alagappa University, Karaikudi, 630 003, Tamil Nadu, India.
| | - L Kungumadevi
- Department of Physics, Mother Teresa Women's University, Kodaikanal, India
| | - G Ravi
- Department of Physics, Alagappa University, Karaikudi, 630 003, Tamil Nadu, India
| | - Dhayalan Velauthapillai
- Faculty of Engineering and Science, Western Norway University of Applied Sciences, Bergen, 5063, Norway
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Dai B, Zhou Y, Xiao X, Chen Y, Guo J, Gao C, Xie Y, Chen J. Fluid Field Modulation in Mass Transfer for Efficient Photocatalysis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2203057. [PMID: 35957518 PMCID: PMC9534979 DOI: 10.1002/advs.202203057] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/15/2022] [Indexed: 05/19/2023]
Abstract
Mass transfer is an essential factor determining photocatalytic performance, which can be modulated by fluid field via manipulating the kinetic characteristics of photocatalysts and photocatalytic intermediates. Past decades have witnessed the efforts and achievements made in manipulating mass transfer based on photocatalyst structure and composition design, and thus, a critical survey that scrutinizes the recent progress in this topic is urgently necessitated. This review examines the basic principles of how mass transfer behavior impacts photocatalytic activity accompanying with the discussion on theoretical simulation calculation including fluid flow speed and pattern. Meanwhile, newly emerged viable photocatalytic micro/nanomotors with self-thermophoresis, self-diffusiophoresis, and bubble-propulsion mechanisms as well as magnet-actuated photocatalytic artificial cilia for facilitating mass transfer will be covered. Furthermore, their applications in photocatalytic hydrogen evolution, carbon dioxide reduction, organic pollution degradation, bacteria disinfection and so forth are scrutinized. Finally, a brief summary and future outlook are presented, providing a viable guideline to those working in photocatalysis, mass transfer, and other related fields.
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Affiliation(s)
- Baoying Dai
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM)Jiangsu Key Laboratory for BiosensorsJiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)Nanjing University of Posts and TelecommunicationsNanjing210023China
| | - Yihao Zhou
- Department of BioengineeringUniversity of California, Los AngelesLos AngelesCA90095USA
| | - Xiao Xiao
- Department of BioengineeringUniversity of California, Los AngelesLos AngelesCA90095USA
| | - Yukai Chen
- State Key Laboratory of Materials‐Oriented Chemical EngineeringCollege of Materials Science and EngineeringNanjing Tech UniversityNanjing210009China
| | - Jiahao Guo
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM)Jiangsu Key Laboratory for BiosensorsJiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)Nanjing University of Posts and TelecommunicationsNanjing210023China
| | - Chenchen Gao
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM)Jiangsu Key Laboratory for BiosensorsJiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)Nanjing University of Posts and TelecommunicationsNanjing210023China
| | - Yannan Xie
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM)Jiangsu Key Laboratory for BiosensorsJiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)Nanjing University of Posts and TelecommunicationsNanjing210023China
| | - Jun Chen
- Department of BioengineeringUniversity of California, Los AngelesLos AngelesCA90095USA
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17
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Wu Y, Zhao X, Li Y, Ling Y, Zhang Y, Zhang X, Huang S. New insights into the efficient charge transfer by construction of adjustable dominant facet of BiOI/CdS heterojunction for antibiotics degradation and chromium Cr(VI) reduction under visible-light irradiation. CHEMOSPHERE 2022; 302:134862. [PMID: 35533931 DOI: 10.1016/j.chemosphere.2022.134862] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 04/12/2022] [Accepted: 05/03/2022] [Indexed: 06/14/2023]
Abstract
The narrow light-response range and high electron/hole recombination rate greatly restrict the widespread use of photocatalytic technology. The integration of exposing dominant facet of semiconductor and Z-scheme heterostructures designing is expected to break those barriers. Herein,In this work, hydrothermal and ultrasonic stirring methods were used to selectively exposed the (001) and (110) facet of BiOI to construct the BiOI/CdS heterostructures. The obtained BiOI(001)/CdS material shown the maximum degradation for tetracycline-based antibiotics (Oxytetracycline, Tetracycline and Doxycycline), and excellent reduction of hexavalent chromium. Combining the electron spin resonance and scavenger experiments, the superior photocatalytic capacity was attributed to the generation of superoxide and hydroxyl radicals. DFT calculation results shown BiOI(001)/CdS performed high binding energy and adsorption energy for hexavalent chromium, and the different work function between BiOI(001) and CdS confirmed the building of internal electric field, thereby increased the charge separation. Finally, the Gaussian 09 and HPLC-MS program investigated the attack sites of free radicals and degradation pathways in the degradation of antibiotics. This study not only provides a potential photocatalyst, also gives an in-depth understanding of the photocatalytic properties of heterojunctions constructed by different exposed crystal facets.
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Affiliation(s)
- Yixiao Wu
- School of Geography & Environmental Science, Guizhou Normal University, Guiyang, 550000, China; School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou, 510006, China
| | - Xuesong Zhao
- Institute of Environment and Ecology, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, Guangdong, China
| | - Yihao Li
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou, 510006, China
| | - Yu Ling
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou, 510006, China
| | - Yongqing Zhang
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou, 510006, China
| | - Xiaoqian Zhang
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, 510640, China.
| | - Shaobin Huang
- School of Environment and Energy, South China University of Technology, Higher Education Mega Center, Guangzhou, 510006, China.
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18
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Shi W, Wang L, Wang J, Sun H, Shi Y, Guo F, Lu C. Magnetically retrievable CdS/reduced graphene oxide/ZnFe2O4 ternary nanocomposite for self-generated H2O2 towards photo-Fenton removal of tetracycline under visible light irradiation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120987] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Karim AV, Krishnan S, Shriwastav A. An overview of heterogeneous photocatalysis for the degradation of organic compounds: A special emphasis on photocorrosion and reusability. J INDIAN CHEM SOC 2022. [DOI: 10.1016/j.jics.2022.100480] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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20
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Xu G, Wu Y, Fang X, Li J, Xu L, Han S, Cui J, Gan L. One-step solvothermal synthesis of wood flour carbon fiber/BiOBr composites for photocatalytic activation of peroxymonosulfate towards sulfadiazine degradation: mechanisms comparison between photo, chemical and photo-chemical oxidation processes. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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21
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Fluidized ZnO@BCFPs Particle Electrodes for Efficient Degradation and Detoxification of Metronidazole in 3D Electro-Peroxone Process. MATERIALS 2022; 15:ma15103731. [PMID: 35629757 PMCID: PMC9144341 DOI: 10.3390/ma15103731] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/06/2022] [Accepted: 05/18/2022] [Indexed: 02/01/2023]
Abstract
A novel material of self-shaped ZnO-embedded biomass carbon foam pellets (ZnO@BCFPs) was successfully synthesized and used as fluidized particle electrodes in three-dimensional (3D) electro-peroxone systems for metronidazole degradation. Compared with 3D and 2D + O3 systems, the energy consumption was greatly reduced and the removal efficiencies of metronidazole were improved in the 3D + O3 system. The degradation rate constants increased from 0.0369 min-1 and 0.0337 min-1 to 0.0553 min-1, respectively. The removal efficiencies of metronidazole and total organic carbon reached 100% and 50.5% within 60 min under optimal conditions. It indicated that adding ZnO@BCFPs particle electrodes was beneficial to simultaneous adsorption and degradation of metronidazole due to improving mass transfer of metronidazole and forming numerous tiny electrolytic cells. In addition, the process of metronidazole degradation in 3D electro-peroxone systems involved hydroxyethyl cleavage, hydroxylation, nitro-reduction, N-denitrification and ring-opening. The active species of ·OH and ·O2- played an important role. Furthermore, the acute toxicity LD50 and the bioconcentration factor of intermediate products decreased with the increasing reaction time.
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Zhao Y, Ji C, Wang Y, Liang X, Fan J. Green and efficient degradation of cefixime by 3D flower-like BiOBr: Performance and degradation pathway. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.128024] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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